CN210389054U - Constant-pressure rapid assembling and disassembling airtight special tool - Google Patents
Constant-pressure rapid assembling and disassembling airtight special tool Download PDFInfo
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- CN210389054U CN210389054U CN201920862930.6U CN201920862930U CN210389054U CN 210389054 U CN210389054 U CN 210389054U CN 201920862930 U CN201920862930 U CN 201920862930U CN 210389054 U CN210389054 U CN 210389054U
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Abstract
The utility model discloses an airtight special frock of isobaric fast loading and unloading of star structure, divide dish (1) including the air current, flared pipeline connects (2), flared outer sleeve nut (3), rubber tube metal component (4), rubber pipeline (5), coupling (6) and tightens up nut (7). Use the utility model discloses an airtight special frock of isobaric fast loading and unloading can once only carry out airtightly to six rhombus box subassemblies, can realize disposable assembly, disposable pressure regulating, disposable reading, just can accomplish whole sealed test process, makes this process operation can save time more than 80% on original basis, and can guarantee to get into the isobaric invariant of the gas of every rhombus box subassembly, accomplishes the leakproofness inspection to the subassembly inner chamber high-efficiently.
Description
Technical Field
The utility model relates to a leakproofness inspection frock technical field, concretely relates to need carry out the institutional advancement of the special frock of airtight of the same airtight time, the same airtight pressure to a plurality of cavitys simultaneously.
Background
As shown in fig. 3 and 4, the annular radiator is mainly composed of a hot edge cavity and a cold edge cavity, the cooling medium is air, the cooling principle is that cold and hot air performs system heat exchange, and the whole product is mainly assembled by stainless steel thin-wall sheet metal parts and then connected and sealed by argon arc welding. In order to ensure the normal use performance of the product, the hot edge cavity and the cold edge cavity must be sealed with each other, leakage is not allowed to occur, otherwise, the heat dissipation efficiency of the product is greatly reduced after the cold edge and the hot edge are connected in series, and even serious people cause the loss of the whole heat dissipation efficiency of the product, so that the welding seam of the product cavity after assembly welding must be subjected to high-efficiency high-quality airtight inspection.
After the rhombic box and the cylinder are assembled, peripheral welding is required, and the welding line is just positioned at the joint of the hot edge cavity and the cold edge cavity. Therefore, the welding seam at the position needs to be checked for tightness, and the phenomenon of cavity crossing of the cold and hot edges is avoided. The air tightness inspection is mainly used for inspecting the tightness of a cavity formed by assembling and welding six diamond box parts and a cylinder on the radiator assembly. At present, the air tightness inspection is carried out by introducing air after the connection of a simple rubber pipeline, which is always used for the air tightness inspection of the annular radiator product, the inspection tool and the inspection method can only inspect one of six diamond box pieces once, namely, the air tightness operation of the whole assembly needs to be carried out for six times of loading, unloading and pressure regulation, the air ventilation and pressure maintaining time of each place is 5min, the six places are 30min, the processes of loading, unloading, returning, loading, unloading, pipeline air inlet pressure regulation and the like in the comprehensive operation process are carried out, at least 50min is needed for completing the air tightness inspection operation of a set of assembly, and as the demand of users is increased at present, the production plan of the product on site is correspondingly increased, the time cost of the product processing and manufacturing in the air tightness inspection process is more.
In conclusion, the existing airtight inspection tool is too single in structure, and under the requirement of the same airtight inspection, the operation is too complicated when the airtight inspection is carried out on different positions of the same component, and time and labor are wasted. In order to improve the production efficiency, dig the potential and reduce unnecessary process waste, an attempt is made to design a special tool suitable for the airtight inspection project.
Disclosure of Invention
The utility model aims at providing an airtight special frock of isobaric fast loading and unloading to when solving a plurality of heat dissipation cavitys at equal airtight pressure, equal dwell time and sealing up the inspection, process complex operation, latency are long scheduling problem.
In order to solve the problem, the utility model adopts the following technical scheme:
a constant-pressure special tool for quickly assembling and disassembling an air seal comprises an air flow disc, a flared pipeline joint, a flared outer sleeve nut, a rubber pipe metal component, a rubber pipeline, a pipe joint and a tightening nut;
the airflow sub-disc comprises a shell, a cavity is formed in the shell, a plurality of vent holes are formed in the outer surface of the shell, one ends of the vent holes are communicated with the cavity, and interfaces are arranged at the other ends of the vent holes;
one end of the flared pipeline joint is connected with an interface on the airflow distribution disc;
the two ends of the rubber pipeline are respectively connected with a rubber pipe metal component and then detachably connected with a flared pipeline joint and a pipe joint through flared outer sleeve nuts;
and the pipe joint is slidably connected with a tightening nut.
Preferably, the housing is cylindrical, the vent holes are radially arranged, and the ports are uniformly distributed along the circumferential surface.
Preferably, the cavity is an annular cavity, and the inner ring of the annular cavity is provided with a strut.
Preferably, one end of the flared pipeline joint is welded with the interface.
Preferably, the rubber tube metal component is connected with the rubber pipeline in a vulcanization mode.
Compared with the prior art, the utility model relates to an airtight special frock of isobaric fast loading and unloading of similar star structure, fundamentally has solved former airtight frock loading and unloading complex operation, the problem of airtight cycle length. Adopt the utility model discloses a behind the airtight special frock, can realize disposable assembly, disposable pressure regulating, disposable reading, just can accomplish whole sealed test process, make this process operation can save time more than 80% on original basis, and can guarantee to get into the isobaric invariant of gas of every rhombus box subassembly, accomplish the sealed inspection to the subassembly inner chamber high-efficiently, effectively improved product production efficiency.
Drawings
Fig. 1 and 2 are schematic plan views of the present invention;
FIG. 3 is a schematic diagram of a diamond-shaped cassette cavity assembly requiring a leak check;
FIG. 4 is an enlarged schematic view of section A-A of FIG. 3;
FIG. 5 is a schematic perspective view of a star-structured isostatic pressing rapid loading and unloading airtight special tool;
fig. 6 is a schematic cross-sectional view of an airflow panel.
Detailed Description
The technical solution of the present invention is further explained below with reference to the accompanying drawings, but the claimed protection scope is not limited to the above description.
The utility model provides a frock mainly used radiator hot limit cavity body subassembly welds back seal test process. As shown in fig. 3 and 4, the hot side cavity of the radiator is formed by assembling and welding six independent diamond-shaped box parts and a cylinder body after being assembled and attached, the inner side of a diamond-shaped opening realizes the function of guiding secondary cold air to enter, and the outer side cavity is filled with high-pressure hot air to be cooled. Because rhombus box spare and barrel are in the cavity inboard along the circumferential weld, if lead to leaking because of the welding seam leakproofness problem earlier stage, later stage will be unable to carry out the repair welding to this department, consequently, rhombus box spare and barrel are welded the back and must be carried out the seal test inspection. The six diamond-shaped box parts are independent from the cavity formed by the barrel body, so the tightness inspection needs to be carried out respectively, the existing tightness inspection device only has a simple air duct and an air-tight joint, only one diamond-shaped box part can be airtight at a time, the pressure needs to be maintained for 5min after each ventilation, the sealing test inspection of the whole assembly needs more than 50min, and the fasteners of the air-tight device need to be disassembled back and forth, the air pressure in the cavity needs to be adjusted, and the like.
As shown in fig. 1, 2, 5 and 6, the tool for the isobaric quick loading and unloading of the star-shaped structure for the airtight seal comprises the following components:
airflow distribution 1: the number of the main pipeline is 1, the main pipeline is an important part of the whole airtight special tool and is used for switching air intake of the main pipeline and distributing air flow entering each pipeline;
flared pipe joint 2: 7, one side of the component is connected with the airflow distribution disc 1 by argon arc welding, and the other side of the component is used for switching each airflow pipeline;
flared outer nut 3: the number of the pipe joints is 12, and the pipe joints 2 are used for fastening and sealing the branch airflow pipelines;
rubber tube metal component 4: the number of the connectors is 12, and the connectors are used for switching and fastening the flared pipeline connectors 2 and the joints of the branch airflow pipelines;
the rubber pipeline 5: the quantity 6 is used for conveying air in the airflow distribution disc 1 to play a role in sealing and transferring;
the number of the pipe joints 6 is 6, and the pipe joints are used for the air tight joint switching between the rubber pipeline 5 and the heat dissipation inner cavity;
tightening the nut 7: and 6, the number of the air-tight joints is 6, and the air-tight joints on the heat dissipation inner cavity are connected with the pipe joints 6 and then fastened and sealed.
The airflow sub-disc 1 comprises a cylindrical shell, an annular cavity is arranged in the shell, vent holes communicated with the annular cavity along the radial direction are uniformly formed in the peripheral surface of the shell, the tail ends of the vent holes are interfaces, and one end of a flared pipeline joint 2 is welded with the interfaces on the airflow sub-disc 1; the two ends of the rubber pipeline 5 are respectively connected with a rubber pipe metal component 4 in a vulcanization mode, then the rubber pipeline is detachably connected with the flared pipeline joint 2 and the pipe joint 6 through the flared outer sleeve nut 3, and the pipe joint 6 is connected with the tightening nut 7 in a sliding mode.
The operation steps of the special airtight tool are as follows:
(A) a flared type outer sleeve nut 3 is used for connecting and locking a flared type pipeline joint 2 with one side of a rubber pipeline 5 provided with a rubber pipe metal component 4;
(B) connecting and locking the other side of the rubber pipeline 5 provided with the rubber pipe metal component 4 with a pipe joint 6 by using a flared outer sleeve nut 3;
(C) respectively connecting and locking the pipe joints 6 on the rubber pipelines 5 and the air tight joint on the assembly cavity by using tightening nuts 7;
(D) connecting a rubber pipeline for air inlet on the airtight test bed into a flared pipeline joint 2 on the airflow sub-disc 1, and locking and fixing the flared pipeline joint by using a flared outer sleeve nut 3;
(E) immersing the whole assembly into an airtight water tank, slowly opening an air inlet valve on an airtight test bed, observing the reading of a pressure gauge, and adjusting the gas pressure in the cavity of the assembly to enable the cavity of the assembly to meet the airtight pressure requirement;
(F) after the reading of the pressure gauge is stable, timing by using a clock, and maintaining the pressure for 5 min;
(G) opening the pressure release valve, and detaching and separating the air inlet rubber pipeline on the airtight test bed from the flared pipeline joint 2 on the airflow sub-disc 1 after the pressure in the cavity of the component is released;
(H) and (3) unscrewing a tightening nut 7, respectively disassembling and separating the upper pipe joint 6 of the rubber pipeline 5 and six airtight joints on the cavity of the diamond box, and putting the disassembled airtight special tool into a tool rack.
The following matters need to be noted in the using process:
1. when the special airtight tool is used next time, the steps (A) and (B) are not carried out any more, and the operation is directly started from the step (C);
2. parts such as flared type outer sleeve nut 3, tightening nut 7, pipe joint 6 all adopt standard component design in this airtight special frock, consequently fastening and leakproofness, uniformity are better between above parts, and the loading and unloading is simple and easy swift, and it is convenient to change after the part wearing and tearing.
Claims (5)
1. The utility model provides an airtight special frock of isobaric fast loading and unloading which characterized in that: the device comprises an airflow sub-disc (1), a flared pipeline joint (2), a flared outer sleeve nut (3), a rubber pipe metal component (4), a rubber pipeline (5), a pipe joint (6) and a tightening nut (7);
the airflow sub-disc (1) comprises a shell, a cavity is formed in the shell, a plurality of vent holes are formed in the outer surface of the shell, one ends of the vent holes are communicated with the cavity, and interfaces are arranged at the other ends of the vent holes;
one end of the flared pipeline joint (2) is connected with an interface on the airflow sub-disc (1);
two ends of the rubber pipeline (5) are respectively connected with a rubber pipe metal component (4), and then are respectively detachably connected with the flared pipeline joint (2) and the pipe joint (6) through a flared outer sleeve nut (3);
and the pipe joint (6) is connected with a tightening nut (7) in a sliding way.
2. The constant-pressure rapid-loading-unloading airtight special tool according to claim 1, characterized in that: the casing is cylindricly, and the air vent is radial arrangement, and the interface along circumferential surface equipartition.
3. The constant-pressure rapid-loading-unloading airtight special tool according to claim 1, characterized in that: the cavity is an annular cavity, and a strut is arranged at the inner ring of the annular cavity.
4. The constant-pressure rapid-loading-unloading airtight special tool according to claim 1, characterized in that: one end of the flared pipeline joint (2) is welded with the interface.
5. The constant-pressure rapid-loading-unloading airtight special tool according to claim 1, characterized in that: the rubber tube metal component (4) is connected with the rubber pipeline (5) in a vulcanization mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920862930.6U CN210389054U (en) | 2019-06-10 | 2019-06-10 | Constant-pressure rapid assembling and disassembling airtight special tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920862930.6U CN210389054U (en) | 2019-06-10 | 2019-06-10 | Constant-pressure rapid assembling and disassembling airtight special tool |
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| CN210389054U true CN210389054U (en) | 2020-04-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115570355A (en) * | 2022-11-23 | 2023-01-06 | 中国空气动力研究与发展中心超高速空气动力研究所 | Installation detection method of injector panel serial cavity air tightness detection device |
-
2019
- 2019-06-10 CN CN201920862930.6U patent/CN210389054U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115570355A (en) * | 2022-11-23 | 2023-01-06 | 中国空气动力研究与发展中心超高速空气动力研究所 | Installation detection method of injector panel serial cavity air tightness detection device |
| CN115570355B (en) * | 2022-11-23 | 2023-02-07 | 中国空气动力研究与发展中心超高速空气动力研究所 | Installation detection method of injector panel serial cavity air tightness detection device |
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